import Vue from 'vue'
import VueRouter from 'vue-router'
// 导入login组件//eslint disable next line
import login from '../components/login.vue'// eslint-disable-line no-unused-vars
import Home from '../components/Home.vue'// eslint-disable-line no-unused-vars

Vue.use(VueRouter)
const routes = [
  { path: '/', redirect: '/login' },
  { path: '/login', component: login },
  { path: '/home', component: Home }
]

const router = new VueRouter({
  routes
})
// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  // to 将要访问的路径
  // from 从哪个路径跳转
  // next 是个函数，表示放行，next()放行 / next('/login')强制跳转
  if (to.path === '/login') return next()
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')
  // 没有tokenStr出去的话，强制跳转至登录页
  if (!tokenStr) return next('/login')
  next()
})
export default router
